Boletín de aludes

Jasper

Feb 26 – 27, 2019Parks Canada
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Archivado · caducó 8 years ago

Peligro de aludes

Wed
Thu
Alta montaña
2 · Moderado
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil
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Lo esencial

Great sunny weather to be getting up high and enjoying the expansive views. Good skiing can be found in sheltered treeline features

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–1.5
    Watch out for pockets of windslabs in the alpine in immediate lee's

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–1.5
    Isolated to steep terrain where surface snow doesn't show signs of previous wind affect : all elevations at the north end of the bulletin region, but only lower elevations in the Columbia Icefields region

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely
    Tamaño
    1.5–3
    Although the basal weakness (depth hoar) is generally dormant, with no recent natural loading of the snowpack, these may still be possible in isolated places. Steep, unsupported, and thin depth are factors to be wary of, as are cornices overhead.

Weather Forecast

A cold morning -31 will see day times highs around -13 down south. Expect mostly light winds and clear skiesWednesday: Will see broken skies and -9 as a day time high with moderate gusting N winds in the afternoon Mountain weather forecast available at Avalanche Canada.

Snowpack Summary

Towards the Icefields, the alpine is wind affected. The Jan 18 surface hoar layer (down 40cm) has faceted away in most places, but shows isolated sensitivity at treeline and below in the Ice fields region. The midpack is mainly supportive, over depth hoar in shallow areas. Although structurally weak, this layer has been generally dormant lately.

Avalanche Summary

No avalanches were observed in the Eastern part of the park today. The snow pack continues to facet with cold temperatures.

Confidence

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